Img.bz2 To Iso GuideNow go forth and mount that mystery image. Have you ever found a weird .img.bz2 file in the wild? What was on it? Let me know in the comments below. Open your terminal and run: bzcat your_file.img.bz2 > your_file.img You should now have a standard raw disk image (e.g., your_file.img ). Here is where many guides get it wrong. You cannot simply rename .img to .iso . An ISO is a specific filesystem structure (ISO9660), whereas a raw .img can contain partition tables, boot sectors, or other data. img.bz2 to iso At first glance, it looks like a problem. You can’t mount it directly, and burning it to a USB drive seems risky. But don’t click away. That little file is actually a that has been compressed with the powerful BZIP2 algorithm. geteltorito -o your_file.iso your_file.img For total control, mount the image and create a fresh ISO: Now go forth and mount that mystery image bunzip2 your_file.img.bz2 Alternatively, to keep the original compressed file: Today, we’re going to crack it open and convert it into a universally friendly .iso file. The .img format is a raw, sector-by-sector copy of a disk (like a hard drive or a floppy). It’s incredibly accurate but takes up a lot of space. BZIP2 ( bz2 ) offers better compression ratios than the more common GZIP, making it ideal for distributing large disk images. Let me know in the comments below This only works if the .img contains a single filesystem without a partition table. If you’ve spent any time diving into the depths of Linux recovery forums, virtual machine marketplaces, or legacy software archives, you’ve probably stumbled upon a file with a name ending in .img.bz2 . bunzip2 disk.img.bz2 && mv disk.img disk.iso Wait, does that work? Technically, no—but surprisingly, many raw images will mount just fine with a renamed extension. For professional work, always use the mount + mkisofs method above. dd if=your_file.img of=your_file.iso bs=2048 If this is a hybrid bootable image (common for Linux ISOs that were saved as .img ), use geteltorito : |